| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] have know | 139 |
|
| 2 | [modal v] [not/n't] know of | 13 |
|
| 3 | [modal v] have know of | 13 |
|
| 4 | [not/n't] have know of | 6 |
|
